Originally Posted by
cloudcuckooland
--The reservation is still on hold pending the say-so of the green eyeshaded folks, so I do not yet know what fare bucket it's in, but I have about 50,000 OP miles I have not touched in 4 years. I would not mind burning 1/2 of them for a one-way upgrade, so long as the co-pay is not >$350. Heck, the upgrades seem so hard to come by I may go a little higher just to say I did it.

If it's on hold, you should know what fare bucket it's in - and you can (and should) call and check on upgrade availability before you ticket. Are your dates flexible? CO might have upgrade seats a day or so earlier or later than your original booking.